Thirty-one normal neonates were monitored for 24 hours on a newly developed movement monitor which provided measures of noncrying activity and counts of various movement amplitudes. (Author/SDH)

A study of the relationship between pain-relieving drugs given to mothers during labor and delivery and neonatal behavior as assessed by the Brazelton Scales. Tested 44 infants on eight different days during their first month of life. (SDH)

Prediction was not supported that responses followed by positive or negative social consequences would immediately be repeated or changed, respectively. (Author/MB)

Implication of findings for designing an introductory mathematics curriculum are discussed. (Authors)

Executive competence is defined as the child's ability to initiate and sustain locomotor, manipulative, and visually regarding activities at a given level of complexity and intensity, and with a given degree of self-sufficiency. (Author)

Children who observed a very generous adult model sharing, later shared more than those who observed a very stingy model. The effects of vicarious reinforcement on the amount shared, delivered by either the experimenter or the model alone, were also demonstrated. (Authors)

In a naturalistic behavioral stdy, it was found that prematures have significantly more endogenous smiling than full-term newborns. (Authors)

Presents a description of a neonatal monitoring system and the studies used in its validation. (SDH)

This study examined reactions of 1-year-olds and young 2-year-olds to being controlled by mothers. Mothers' supportive behavior predicted children's willing compliance. However, contrary to research with older children, defiance was also associated with variables linked to maternal competence, specifically, mothers' supportive behavior,…

The theory of social comparison postulates that the tendency to compare one's performance to others' will decrease as a function of the discrepancy between the quality of one's own performance and that of the comparison person. (Author/MB)

Major Purpose of the study was to investigate the extent to which aggressive retaliation in boys at three age levels is influenced by two dimensions of hypothetical provocation: accidental versus intentional and verbal versus physical. (Authors/CB)